<template>
   <!--主体区域-->
  <el-container class="home-container">
    <!--头部区域-->
    <el-header>
      <div>
        <img src="../../assets/logo.png" alt="">
        <span>电商管理后台</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <el-container>
      <!--左侧区域-->
      <el-aside width="200px">
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFF"
          :router="true"
          unique-opened
          :default-active="activePath"
          >
          <!--一级菜单-->
          <el-submenu :index="item.id+''" v-for="item in menuList" :key="item.id">
            <!--一级菜单模板区域-->
            <template slot="title">
              <!--图标-->
              <i :class="iconsObj[item.id]"></i>
              <!--文本-->
              <span>{{item.name}}</span>
            </template>
            <!--二级菜单-->
            <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/'+subItem.path)">
              <template slot="title">
                <!--图标-->
                <i class="el-icon-menu"></i>
                <!--文本-->
                <span>{{subItem.name}}</span>
              </template>
            </el-menu-item>

          </el-submenu>
        </el-menu>
      </el-aside>
      <!--右侧区域-->
      <el-main>
        <!--//路由占位符-->
        <router-view/>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
  export default {
    data(){
      return{
        menuList:[],
        iconsObj:{
          '1':'iconfont icon-user',
          '2':'iconfont icon-shangpin',
        },
        //被激活的链接地址
        activePath:''
      }

    },
    created() {
      this.getMenuList();
      this.activePath=window.sessionStorage.getItem('activePath')
    },
    methods:{
      logout(){
        window.sessionStorage.clear();
        this.$router.push('/admin/login');
      },
      getMenuList(){
        this.axios.get('http://laravle-admin.com/api/admin/prelist').then(responce=>{
            if (responce.status!==200) return this.$message.error(responce.data.msg);
            this.menuList=responce.data.data
           /* console.log(this.menuList)*/
        })
      },
      //保存链接的激活状态
      saveNavState(activePath){
        window.sessionStorage.setItem('activePath',activePath);
        this.activePath=activePath

      }
    }
  }
</script>

<style lang="less" scoped>
  .home-container{
    height: 100%;
  }
  .el-header{
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    padding-left: 0;
    align-items: center;
    color: #ffffff;
    >div{
      display: flex;
      align-content: center;
      img{
        width: 30px;
        height: 30px;
      }
      span{
        align-content: center;
        margin-left: 15px;
      }
    }

  }
  .el-aside{
    background-color: #333744;
    .el-menu{
      border-right: none;
    }
  }
  .el-main{
    background-color: #eaedf1;
  }
  .iconfont{
    margin-right: 10px;
  }
</style>
